How Far Back Can the IRS Audit You? 2026 Rules & Limits
How far back can the IRS audit you? Learn the 3-year, 6-year, and unlimited audit rules under IRC § 6501,…
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How to Calculate Self Employment Tax on 1099: 15.3% Math Guide
Learn how to calculate self employment tax on 1099 income. Master the 92.35% factor, 15.3% Social Security and Medicare math,…
Read Guide →Bookkeeping for Single Member LLC: Complete Guide 2026
Bookkeeping for single member LLC guide. Learn chart of accounts setup, corporate veil protection, owner draws, and Schedule C tax…
Read Guide →Form 1120 S Instructions for S Corp: Line-by-Line Guide 2026
Form 1120 S instructions for S corp guide. Master line-by-line corporate filing, Schedule K-1 pass-throughs, officer comp, and deadlines.
Read Guide →Self Employment Tax Rate California: 15.3% Math & Rules 2026
Self employment tax rate California guide. Learn 15.3% federal SE math, progressive state income tax brackets, deductions, and S-Corp savings.
Read Guide →California Standard Deduction Married Filing Jointly: 2026 Guide
California standard deduction married filing jointly guide. Learn Form 540 deduction rates ($11,412), exemption credits, and Schedule CA rules.
Read Guide →IRS Form 8829 Instructions: Expenses for Business Use of Home 2026
IRS Form 8829 instructions guide. Learn direct vs indirect home office expenses, square footage percentage math, depreciation, and Schedule C.
Read Guide →SEP IRA Contribution Limits for Small Business: 2026 Guide
SEP IRA contribution limits for small business guide. Learn 25% compensation rules, $69,000 caps, 20% self-employed math, and tax deadlines.
Read Guide →Schedule C Vehicle Mileage Deduction: Standard Rate vs Actual 2026
Schedule C vehicle mileage deduction guide. Compare standard mileage vs actual car expenses, IRS mileage logs, and Schedule C Line…
Read Guide →CA State Tax Filing Deadline: Form 540 & Extensions 2026
California state tax filing deadline guide. Learn April 15 Form 540 due dates, automatic October 15 extensions, Form 3519, and…
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